28906101

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{19949}}^1$

素因数の和:19985

約数の個数: 24

約数和(自身を含む): 49795200

約数和(自身を除く): 20889099

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 161, 207, 483, 1449, 19949, 59847, 139643, 179541, 418929, 458827, 1256787, 1376481, 3211789, 4129443, 9635367, 28906101]

約数ペア:

[(1, 28906101), (3, 9635367), (7, 4129443), (9, 3211789), (21, 1376481), (23, 1256787), (63, 458827), (69, 418929), (161, 179541), (207, 139643), (483, 59847), (1449, 19949)]